Blood and Immunity

Large Red Blood Cells (Megaloblastic Anemia)

Red blood cells (RBCs) or erythrocytes are small round cells that circulate in the blood stream and carry oxygen throughout the body. These cells measure about 6 to 8 micrometers (um) in diameter which is equivalent to 0.006 to 0.008 millimeters – too small to be seen by the naked eye. The cells are disc shaped with >> Read More ...

Red Blood Cell Destruction (Hemolytic Anemia)

The red blood cells (RBCs or erythrocytes) are important carriers of gas in the blood ensuring that oxygen reaches all tissues. These cells are constantly being produced and destroyed in the body. The balance ensures that there is a sufficient quantity of RBCs in the blood. The normal lifespan of a red blood cell is about >> Read More ...

Clotting Factors List – Names, Numbers and Actions (Functions)

What are clotting factors? The clotting factors are the group of chemicals that are constant circulation in the blood or present in tissues of the blood vessels. These compounds are responsible for the formation of a blood clot. Clotting factors are usually inactive but once there is tissue injury to the wall of the blood >> Read More ...

Hemophilia Symptoms, Classification, Complications, Treatment

Hemophilia is a blood clotting disorder that arises with a mutation or deletion of the gene that controls blood clotting. It is the most common congenital blood clotting disorder. There are two common types of hemophilia – A and B. Hemophilia A is the more common type and is due to a deficiency of Factor VIII while >> Read More ...

What is Hemophilia? Hemophilia Types A, B and C and Causes

Bleeding diseases or blood clotting disorders are a group of conditions that affect the body’s ability to stop blood loss. The mechanism by which blood loss is normally stopped is known as hemostasis and involves several phases. One of these phases is the blood clotting or coagulation phase. Here a number of >> Read More ...

Blood Coagulation Cascade, Prothrombin and Fibrinogen

Hemostasis is the mechanism to prevent blood loss. It is a fast acting system that has multiple steps to reduce blood loss, temporarily and then permanently plug the leak until the integrity of the blood vessel is restored. There are four main phases to hemostasis with the blood coagulation phase following vascular >> Read More ...

Hemostasis Process – Mechanism to Stop Blood Loss

Blood is contained within the cardiovascular system – the heart and blood vessels – with additional amounts stored in the liver and spleen. The quantity of blood in the human body is approximately 5.5 liters. When bleeding, up to 20% of this total blood volume can be lost without a person being at risk provided >> Read More ...
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